Senior office developer jobs in United Kingdom

At Ripple, we’re building a world where value moves like information does today. It’s big, it’s bold, and we’re already doing it. Through our crypto solutions for financial institutions, businesses, governments and developers, we are improving the global financial system and creating greater economic fairness and opportunity for more people, in more places around the world. And we get to do the best work of our career and grow our skills surrounded by colleagues who have our backs. If you’re ready to see your impact and unlock incredible career growth opportunities, join us, and build real world value. THE WORK: As Senior Ecosystem Growth Manager for Europe on the RippleX team, you will drive the discovery, engagement, and adoption of ___ across the Europe ecosystem. Your focus will be growing real-world usage of tokenized assets—including stablecoin payments, trade finance, and collateral management—while building strong relationships with builders, startups, VCs, and strategic partners. You'll own the execution of ecosystem growth initiatives, support high-quality startups from conception to mainnet deployment, and strengthen our institutional credibility within Europe fintech and TradFi markets. This role requires navigating the diverse regulatory landscape across Europe markets while building a robust network of accelerators, VCs, and ecosystem partners. This is a strategic yet hands-on role requiring expertise in partnerships, business development, and growth marketing—with deep understanding of Europe financial markets, Web3 fluency, and product-focused ecosystem development. WHAT YOU’LL DO: Ecosystem Development & Partnership Execution • Execute ecosystem growth strategy for XRPL, adapting to local regulatory and market conditions, • Source, evaluate, and support high-quality startups and developers building on XRPL, • Manage relationships with strategic partners including accelerators, VCs, and fintech service providers, • Guide startups from early-stage ideation to successful mainnet deployment, • Review and assess grant applications and accelerator program submissions for founder quality, product potential, and ecosystem fit, • Facilitate introductions between funded teams and relevant partners, resources, and growth opportunities, • Build and manage top-of-funnel pipelines through targeted programs, grants, and direct outreach initiatives, • Identify and activate emerging trends, new growth partners, and institutional channels across markets, • Collaborate with DevRel, Partner Engineering, Product, and Product Marketing on go-to-market strategies, • Monitor regulatory developments and their impact on tokenization and digital asset adoption, • Leverage data insights and strategic narratives to influence cross-functional stakeholders, • Pressure-test growth strategies and provide thoughtful tradeoff analysis across competing priorities, • 5-8 years in venture capital, ecosystem partnerships, fintech/TradFi growth, or growth roles, • Proven track record in deal structuring and execution, particularly with early-stage teams or strategic partnerships, • Experience working within markets with an understanding of regional differences in regulation and business culture, • Strong growth and metrics fluency, including funnel optimization, retention analysis, and partnership performance benchmarking, • Technical understanding sufficient to engage with product and infrastructure teams on feasibility assessments, • Financial Markets Knowledge: Understanding of financial instruments, market structure, and regulatory frameworks, • Familiarity with tokenization trends and how digital assets are being adopted across financial institutions, • Experience with DeFi protocols and their intersection with traditional finance, • Clear, influential communication skills with experience building consensus across diverse stakeholders, • Comfortable navigating ambiguity in fast-paced environments with high degree of autonomy, • Strong relationship-building abilities with experience managing complex, multi-stakeholder partnerships Do Your Best Work • The opportunity to build in a fast-paced start-up environment with experienced industry leaders, • A learning environment where you can dive deep into the latest technologies and make an impact. A professional development budget to support other modes of learning., • Thrive in an environment where no matter what race, ethnicity, gender, origin, or culture they identify with, every employee is a respected, valued, and empowered part of the team., • In-office collaboration for moments that matter is important to our culture, and we give managers and teams the flexibility to decide which 10+ days a month they come in., • Bi-weekly all-company meeting - business updates and ask me anything style discussion with our Leadership Team, • Competitive salary, bonuses, and equity, • Competitive benefits that cover physical and mental healthcare, retirement, family forming, and family support, • Employee giving match, • R&R days so you can rest and recharge, • Generous wellness reimbursement and weekly onsite & virtual programming, • Generous vacation policy - work with your manager to take time off when you need it, • Industry-leading parental leave policies. Family planning benefits.

• Full-time Senior Marketing Manager, • Remote/Hybrid (must be accessible to London), • Salary: £60,000 - £65,000 +bonuses About Us We’re a fast-growing marketing agency offering outsourced marketing services for small/medium SaaS companies. Our services include SaaS marketing strategy, content, ads, lead magnets, and website conversion updates. We’re a small business of 20 employees, split between London and Europe. We’re a young team passionate about modern, creative marketing campaigns. The Role We’re looking for a marketer with expertise in creating comprehensive strategies, including content and ads, for companies in the SaaS industry. You will be responsible for developing and overseeing the marketing strategy for multiple SaaS clients. This includes: • Taking on SaaS clients who are typically struggling with lead gen and/or GTM. You must have the experience and ability to develop a multi-layered marketing strategy to facilitate their growth., • Market research and competitor analysis, • Identifying the ideal customer profile, • Targeting and audience segmentation, • Deciding on content pillars, • Mapping out a multi-layered retargeting ads funnel via Google Ads, LinkedIn Ads and Meta Ads, • Writing ad copy and ad creative briefs that result in high-converting LinkedIn ads, • Managing your team of, • Marketing Exec, • Ads manager, • Designer, • Developer, • Content expert, • Creative ideas for lead magnet campaigns, • Website optimisations and landing page briefs, • Regular internal and client meetings, • Reporting to the CEO To implement your strategy, there will be a mixture of hands-on work and managing your team of in-house and external resources, such as content creators, designers and developers. Key skills/experience: • Experience working for a SaaS/Tech client or agency, • At least 3 years experience working in marketing, • Experience managing LinkedIn ad campaigns, • Proven successful content marketing campaign experience, • A creative and strategic mind, • Excellent communication skills, • Excellent project management skills, • Data attribution knowledge, • Analytical and multitasking skills Added benefits • Hybrid work, • Stunning WeWork London office location, • Free tea, coffee and beer at the office, • Quarterly bonuses based on client success, • Quarterly staff parties, • Monthly team quiz with cash prizes, • Career growth opportunities, as we are on a mission to scale Location • The role is hybrid, with 2 days in the London, Waterloo office (WeWork) and 3 days working from home. View our careers page to learn more about working at Rocket SaaS

Senior Software Developers specialising in trading systems required for an excellent client based in London. The successful Software Developer will join a extremely talented development team and you will be exposed to creating and maintaining our client's own applications based around a C#/.NET/SQL Server/ASP.NET universe. Many projects are greenfield projects and allow you to make your own mark on the development process early on.You will be given the opportunity to work with the some of the latest technologies possible and will be expected to produce excellent code for our clients in house software applications and trading platform. Our client offers a very collaborative working environment with all of the development team coming from excellent educational backgrounds from across Europe. This role is within the sports trading industry so any candidate applying should either have an interest in the industry, or experience within it. This is predominantly an office-based role. As well as very competitive salaries, our client offers a comprehensive benefits package. Skills required: • C#, • Worked with the latest version of the .NET platform, • Database experience - SQL Server, • WPF, • Angular, TypeScript, • Modelling experience, • High level aptitude for technology, • Education to at least a BSc level or higher in Computer Science or Mathematics from a Russell Group University or equivalent. Desirable skills: • HTML5, CSS, JavaScript, • Multi-threaded application development, • Understanding of Windows technologies If you feel you have the skills and experience required for this opportunity, please contact Oliver Wilson on 02380 765 287 or email Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

We have a new Contract Senior Java Developer position available with a European Investment Bank, to work on e-FX Front-Office Algo Trading projects. This is a Low Latency, Java, Algo, FX, multithreading developer role (not really web). London based, Hybrid working. 12 months initial assignment. The job: • IT Low Latency e-FX Java Developer, • 1 year contract with potential for extensions, • Inside IR35 Rate £920 per day to the Umbrella Company, • London Liverpool St location, • Hybrid working (x3 days on site x2 days working from home pw) This is an e-FX IT Low Latency Java Developer position working for the e-FX Desk where the team develops the pricing, hedging and low latency order and price distribution team systems. Regards to Low Latency development, we need specific experience achieving low latency in the microseconds, and have practical experience on not just software but an appreciation of hardware the software runs as well. We need someone who can show optimizing and tuning on Low Latency. What you will need: • Tenure as a Senior Java Developer, • Significant e-FX Trading projects experience, • Front office experience, • Being able to pick up ad learn new tech and bring new ideas., • Algo trading, • Worked with Connectivity, Market Data, Core Pricing and Hedging strategy., • Low Latency / Multithreading / FIX / Performance monitoring If you are interested and have experience, please apply now for a quick response. To be considered you will need to be a Senior Java Developer with good Algo e-FX experience. Thank you.

Job Title: Senior React Developer Client: Elite FinTech Firm Salary: Up to 180k Base + Exceptional Bonus Location: London (Hybrid Working) Sells: Cutting-edge tech, a collaborative and flat-structured environment, beautiful office spaces My client is looking for talented React Developers to join their high-performance team! You will be pivotal in building slick and complex enterprise-grade applications that are crucial in supporting trading activities around the world! As a part of this team, you will play an integral role in building greenfield front end applications. This opportunity offers a unique chance to join a dynamic group of technologists in a technically stimulating environment! Role Responsibilities (Full Spec. Available): • Design and implement dynamic, interactive, and responsive user interfaces, ensuring a seamless and intuitive experience for end-users., • Building out brand new products and applications from the ground up, • Build out state of the art, data intensive applications and tools., • Work closely with product managers, UX/UI designers, and other stakeholders to turn business requirements into fully functional features that meet user needs., • Write clean, efficient, and reusable code that is scalable, robust and maintainable. Successful Candidates: • Bachelor's or Master's Degree in Computer Science or related field, • Strong experience as a React Developer, • Experience in commodities trading is a bonus, • Strong written and verbal communication skills, enabling effective collaboration and information sharing in a fast-paced environment., • Demonstrated enthusiasm for ongoing learning and a proactive attitude towards adopting new technologies. If the above is of interest apply or reach to myself at for more information!

Senior Java Developer – FX Algorithmic Trading | £825/day Inside IR35 | London | 3 Days Onsite Our client, a global leader in the financial services industry, is seeking a highly skilled Senior Java Developer to join their FX Automated Client Execution team. This is a 6-month contract based in London, requiring 3 days per week onsite. You’ll work directly on the trading floor alongside quants and traders, developing and maintaining algorithmic trading strategies for FX and listed derivatives, deployed across platforms including Cortex iX. Key Requirements: • Strong server-side Java development experience, • Solid understanding of Java architecture and design patterns, • Excellent debugging and unit testing skills, • Experience in front-office environments, • Knowledge of multi-threading, performance tuning, and memory management, • Exposure to FX, listed derivatives, smart order routing, and FIX order flow Rate: Up to £825/day, inside IR35 Contract: Initial 6 months Location: London, 3 days/week onsite

Senior Java Developer – London / Hybrid – Up to £90,000 + Benefits We’re partnered with an innovative fintech scale-up that’s redefining the credit and lending space. Backed by leading VC investors and operating successfully for the past decade, the business is now entering a new growth phase and looking for a Senior Java Developer to join their talented engineering team. This is a hybrid role based in central London, typically requiring 3 days per week in the office (with flexible hours). You’ll have the opportunity to work on a modern product roadmap, building next-generation platforms and payment systems that are shaping the future of digital lending. Tech Stack • Java 11+, • Spring Boot, • AWS, • Microservices architecture, • Docker / Kubernetes, • Kafka (or similar messaging tools) Key Responsibilities • Design and develop high-performance, low-latency software components., • Contribute across the full software development lifecycle., • Write and maintain clean, testable, scalable code., • Manage and enhance CI/CD and development process tooling., • Collaborate in agile ceremonies and foster a culture of teamwork., • Mentor junior engineers and promote engineering best practice., • Work closely with cross-functional teams (Product, QA, DevOps, Data)., • Champion continuous improvement and innovation. Projects You’ll Work On • Migration from monolithic to microservices architecture., • Upgrading core systems to newer Java versions., • Enhancing UI frameworks (e.g., Vaadin)., • Building a new lender platform and modern payment systems. Who You Are • A hands-on, pragmatic engineer who thrives in collaborative, fast-moving teams., • A self-starter who enjoys autonomy and contributing ideas that drive real change., • Experienced in modern Java development with a solid understanding of scalability and performance., • Comfortable working in a startup or scale-up culture with light process and strong ownership. If this sounds like you, please apply now!

Hawksworth are now recruiting for a Senior Java Developer with extensive experience with Front Office Algo Trading projects. The job: • IT Low Latency Java Developer, • 1 year contract with potential for extensions, • Inside IR35 Rate £920 per day to the Umbrella Company, • London Liverpool St location, • Hybrid working (x3 days on site x2 days working from home pw) This is a IT Low-Latency, Java Developer position working for the e-FX Desk where the team develops the pricing, hedging and low-latency order and price distribution team systems. We need someone for this role role that has strong low latency , Java , Algo development experience. Someone who can show optimizing/low latency tuning and someone who has achieved low latency in the microseconds. EFX would be nice but we can accept other other asset classes experience. What you will need: • Tenure as a Senior Java Developer, • Significant Trading projects experience/ Front office experience, • Algo trading, • Worked with Connectivity, Market Data, Core Pricing and Hedging strategy., • Multithreading / FIX / Performance monitoring, • Significant low latency (Optimizing & tuning ) If you are interested and have experience, please apply now for a quick response. Thank you.

Senior Java Engineer London Salary: £70,000 - 80,000 Bonus: TBC This is a hybrid role that requires 3 days a week office attendance About the Company An exciting opportunity has arisen for a Senior Java Engineer to be part of a highly innovative forward thinking online challenger bank start-up funded by a major fund. You will be based remotely and from our London office You will be joining a small but experienced team building up the functionality of a bespoke best-of-breed banking technology, a single platform delivering loan issue, card issue and recovery. We’re looking for an exceptional Senior Java Engineer who will work closely with the Java Team Lead & CTO as we scale up and modernise our business processes and tech stack. The role includes hands-on development, mentoring other developers, driving code review processes as well as working with the CTO to define the technical architecture and integration requirements for the solution. This is a great opportunity for a leading edge, innovative, high-class Java developer to enter the company at a time when you can make your mark on the development of the company and contribute to the quality work that has already been created. Key Skill Requirements The successful candidate will have: • 5+ years commercial or similar experience, • Architected, designed, and led development of a microservices solution using Spring Boot, • Experience of Docker and AWS (ideally EventBridge & SQS), • Experience of implementing RESTful web services, • Experience of unit testing using Junit, mocking frameworks and integration testing, • Experience of deploying into and using AWS services including VPC, EC2, RDS, API Gateway, • Experience of deploying and using industry standard development tools including Swagger, Jenkins About You You will have a strong desire to work in a start-up / scale-up environment with a delivery focused approach to problem solving. You will be a born problem solver, keen to dig into the technology supporting our business and demonstrating high standards of professionalism and integrity throughout the working day. You will be equally comfortable mentoring colleagues through technical detail as well as rolling your sleeves up and leading from the front. Please inform us if you have a disability that will require any reasonable adjustments for the recruitment process or job role.

Senior / Lead Ruby Developer Hybrid 1 / 2 days a week (West London) Senior Ruby Developer - £75,000 - £90,000 + Equity Ruby Developer - would you like the opportunity to work within a leading SaaS organisation with a presence across the UK and Europe? The Company A market leading SaaS organisation going through a period of growth. Youll be joining a small but powerful team of 6 enginners and help drive the product forward. They have offices in West London and are planning on moving more central. The team tend to work 1 or 2 days a week in the office. Requirements • Strong background in Ruby, • Experience with JavaScript – React / Vue.js, • Knowledge of cloud based technologies – AWS / GCP / Azure, • Advocate of TDD, • Knowledge of Postgres or MongoDB would be advantageous, • Bonus points for Hotwire, Stimulus, Turbo As a Ruby developer, this is a unique opportunity to join a market leading company with the added bonus of continuing to grow your skillset, with an outstanding benefits package on offer.

Position: Lead Azure Developer - Acturis API / Insurance products MS Stack - Developing frontend applications Salary: 80k-90k GBP Industry: Financial Services - Insurance Remote: 1 day in the office per month Location: Bristol or London If you're Senior Software Engineer who enjoys working with Acturis API and you're looking to join a small team of engineers, for a leading insurer, then please apply! It's an Azure environment, so you'll need to have a background working in this, as well as being well-versed in C#. They want someone who's hands-on, so ideally you'll have experience building public facing Blazor WASM sites, to create scalable, high-performing, user friendly solutions that are secure and reliable. Must have..... • Blazor frontend web framework, • C#, HTML, CSS, • UI/UX design, • Google Analytics integration, • TDD; APIs;, • Azure environment, • Agile methodology Nice to have...... Experience working in the insurance industry If the above sounds like you and you're open to a remote role with occasional (once a month) visits to the office for meet-ups, then send me your cv on here or email it to I can send you the full position description, once we've had a chance to discuss the company and role over a call. Thank you for reading our advert. #blazor #csharp #azure #agile #insurance #softwareengineer #acturis

Significant Hedge Fund spin is hiring for a Senior Developer. The spin is anticipated to be the largest launch of 2026, with potential of >$3bn in debut capital. Substantial capital derived from outstanding track record from Principle PM and Investment Team. Said PM and Investment Team will be the end user in which the successful Developer will build multiple tools, platforms, dashboards and applications to support trading and downstream workflows. Key Duties will involve but not limited to; • Building robust, enterprise-scale trading and middle office systems., • Full architecture build and connectively to key service providers and vendors., • Scalable deployment for significant scale, further PM onboarding, trading in new asset classes and launching additional trading desks., • Full trade lifecycle implementation and API development;, • Execution., • Trade booking & capture., • P&L, Pricing and Valuations., • Risk reporting and position analysis., • STP., • Front office and Middle Office workflow build with compliance controls., • Build of real time reporting and monitoring frameworks. Experience Required • Hedge Fund, Asset Management or Investment Banking, • Hedge Fund preferred., • Build of Front Office and Middle Office trading platform for scale – this is a prerequisite., • Cross product, multi strategy trading environment

Senior Django Developer | FinTech | Permanent | Hybrid | Central London • Senior Software Engineer, • Start-up Fintech, • 2 days a week in the office (Central London) B2B FinTech in Central London are looking for a Senior Django Developer to help design, build, and scale their web applications. You’ll be part of a cross-functional product team responsible for the full development lifecycle, from concept to deployment, building high-quality, performant software used by some of the world’s leading financial organisations. As a senior member of the engineering team, you’ll collaborate closely with product managers, front-end developers, and QA engineers, while mentoring others and driving best practices across the codebase. If you’re analytical, detail-oriented, and love solving complex problems with clean, scalable code, we’d love to hear from you. What You’ll Do: • Write high-quality, testable web application code in Django, • Integrate front-end components with server-side logic, • Develop and maintain RESTful APIs using Django REST Framework, • Design, optimise, and troubleshoot for performance and scalability, • Apply secure development practices and standards, • Contribute to architectural discussions and technical decisions, • Work in an agile environment alongside product and engineering teams, • Support and mentor fellow developers while leading by example What You’ll Bring: • 5+ years of professional experience in Python (3+) and Django, • Strong understanding of Django ORM and REST Framework, • Experience developing and consuming APIs, • Familiarity with HTML, CSS, JavaScript (React experience a plus), • Experience with Celery or event-driven architecture, • Strong Git workflow and testing practices, • Excellent problem-solving, communication, and collaboration skills, • Ability to work autonomously in a remote-first environment, • Passion for creating secure, scalable, and user-centric applications Desirable Extras: • Experience with Docker and containerised applications, • CI/CD knowledge (GitHub Actions, Azure DevOps, etc.), • Experience with Azure or other cloud platforms, • Understanding of authentication, authorisation, and security compliance If you’re ready to join a mission-driven FinTech company on a strong growth trajectory and help shape technology used across the global fund management ecosystem we’d love to hear from you.

Our leading Banking client are looking for a talented Senior Kotlin Developer to join a small highly skilled team tasked with developing a modern trading application to replace an existing Legacy system. You'll design, develop, and implement a scalable trading application to replace the Legacy system. You'll collaborate with team members to architect and deliver high-performance Back End solutions using Kotlin. This is a long-term contract position. The following skills/experience is required: • Strong Kotlin experience, • Kubernetes, Docker, MongoDB, Postgres or exposure to relational databases., • Good Financial Services background, ideally in Front Office., • Excellent communication skills Rate: Up to £850/day Duration: 6 months + (multiple extensions) Location: London (good work from home options available) If you are interested in this Senior Kotlin Developer position and meet the above requirements please apply immediately.

2* Senior Backend / Full Stack Ruby Developer – Profitable SaaS Scale-Up | Up to £85k + Excellent Benefits | Hybrid (London) I am working with a long term client of Opus, who is a profitable, investment-backed SaaS company with serious growth plans! We’re hiring Backend-focused Ruby Developers or Full Stack Ruby Developers with modern JavaScript experience (React, Vue, etc.) to join their tech team in London. This is a rare opportunity to be part of a company that’s not only profitable but also growing– They have a strong internal progression pathways into tech lead roles as they build out their squads. Why Join? • Profitable & Investment-Backed – Stability meets ambition., • Career Growth – Clear paths to leadership as the team expands., • Tech-Driven Culture – Collaborative squads, modern stack, and autonomy. What they can offer: • Up to £85,000 base salary., • Perks – Life assurance, private healthcare, and more., • Hybrid Working – 1–3 days/week in their London office (flexible based on team needs). What You’ll Bring: • Strong experience with Ruby (Rails or other frameworks)., • Exposure to modern JavaScript (React, Vue, or similar)., • Passion for clean code, scalable systems, and collaborative development., • Mentoring junior and mid-level developers

Senior Software / Platform Engineer (LLM / AI Interest) | Brand new AI Platform 💰 £120,000 - £130,000 📍 London - 4 days a week in office (Paddington) 🛠️ Python, GCP, Kubernetes, Terraform, CI/CD, AI / LLM exposure / interest Here at Burns Sheehan, we’re working with a leading UK tech business in the payments and financial services space - processing billions in transactions each year and supporting around 20% of all UK card payments. They’re continuing to invest heavily in their engineering function and are now expanding a dedicated AI team that’s quickly becoming a key part of their technology strategy. They’re hiring experienced Software / Platform Engineers to help build and scale their internal AI Platform - the infrastructure, tooling, and developer experience layer that enables teams across the business to develop and deploy AI-driven products. What You’ll Be Doing: • Designing and building the core AI platform that supports LLMs, agents, and other AI systems., • Developing APIs, SDKs, and orchestration tooling that help product / data teams consume AI capabilities at scale., • Automating infrastructure / model deployments using Kubernetes, Terraform, and CI/CD pipelines., • Building and managing vector databases and retrieval systems to support RAG pipelines., • Working with LLM frameworks like LangChain, LangGraph, CrewAI, or similar tools., • Partnering closely with engineering, security, and product teams to deliver safe, production-ready AI systems. What They’re Looking For: • Strong background in Software or Platform Engineering - ideally with Python, Java or Go., • Experience with Kubernetes, Terraform, and cloud environments (GCP preferred)., • Understanding of microservices, distributed systems, and cloud-native architecture., • Interest or experience in AI infrastructure, LLM tooling, or AI platform enablement., • A collaborative engineer who enjoys problem-solving and contributing to technical direction. If you’re interested in helping build real AI infrastructure within a fast-moving, product-led business that’s making a visible impact across the UK - get in touch to find out more. Senior Software / Platform Engineer (LLM / AI Interest) | Brand new AI Platform

About us Vida Bank provides competitive savings products through Vida Savings and specialist mortgage solutions through Vida Homeloans. Our mortgage business supports Buy to Let (BTL) and residential borrowers (ROO) who find themselves underserved elsewhere. Our mortgage customers range from Buy to Let investors, to the self-employed and customers with multiple jobs. Our savings proposition is delivered online via our website, and is focussed on providing savers with fair, transparent and competitive rates. Our typical customers are active savers, who tend to look beyond their current account provider for savings accounts. Our business model and strategy are underpinned by our core purpose to ‘Help More People Find a Place to call Home’. We are here to help the under-served, especially those with more nuanced personal circumstances or borrowing needs who are not able to access a mortgage from a mainstream mortgage lender. Working exclusively with intermediary partners, we combine cutting-edge technology with skilled and caring underwriting expertise to solve complex customer problems. As a fully regulated UK based bank with ambitious growth aspirations, we recognise the importance of having a clearly articulated culture strategy and the need to actively manage how it embeds in the business together with the behaviours which exemplify it. As a recognised Best Companies Top 100 mid-sized company to work for in the UK and a finalist at the Financial Reporter Women’s Recognition Awards, we take pride in our diverse workforce, championing both ethic and gender diversity through our EDI commitments. Having met the target set by being a member of the HM Treasury Women in Finance Charter we have 50% of senior management roles filled by women. With offices in London, Newcastle and Skipton, we bring our teams together regularly to collaborate and empower our colleagues to have more choice around when and where they work on the days they are not in the office, with colleagues working remotely in various locations across the UK. Our Culture We are proud to have built a culture founded on an ethos of caring, and that sits at the heart of our Vida Values, driving the way we run our business, support our customers and other stakeholders on a daily basis. We genuinely care about delivering the right outcomes for all our stakeholders who we consider through the cultural framework as our customers, colleagues, company and communities that we operate in. By Joining Vida you will have a sense of belonging in what is a diverse and collaborative environment, where you will be empowered to take responsibility for driving delivery. We embrace a diversity of backgrounds and experiences in our people, in the deeply held belief that better outcomes are achieved for customers when our colleagues are better placed to empathise with and understand their unique circumstances. From application to interview, we place inclusion at the heart of all we do. Role Overview: The Systems Developer role is a hands-on role which will work closely with the business to develop and maintain our end-to-end Mortgage Ecosystem. There will be a split between BAU activities to support the live environment and project focused development to drive product innovation. The ideal candidate will have 3+ years’ experience in technology and a minimum of 3 years of specific experience in technical development ideally within Financial Services and having worked on a Mortgage platform. This role will be comfortable working withing the full breadth of the business, working closely with stakeholders including the C-suite. Key Responsibilities: • Work closely with senior stakeholders in the business to consult on business change requests/business requirements and translate these into technical requirements., • Manage and monitor tickets incoming from the business relating to issues and requests for both the Originations Mortgage platform and the Mortgage Retentions platform., • Develop a solid understanding of the solution being designed and built., • Plan, coordinate, and execute deployments across environments, ensuring smooth transitions and minimal downtime., • Support tertiary services that integrate to the mortgage platforms, collaborating with other technical teams and 3rd parties where required., • Write and maintain technical knowledge base articles and troubleshooting guides., • Ensure consistent service quality and adherence to internal standards, including Technical Change Management and Incident Management., • Collaborate on incident response activities, ensuring timely resolution and communication., • Have a good understanding of the Change management process., • Work and collaborate with other areas of the business to help drive cross functional projects., • Maintain awareness of regulatory obligations and ensure service desk practices align with financial services standards. Requirements: • Advanced level (knowledge and experience) of programming languages and methodologies., • Extensive knowledge of MS SQL Server., • Extensive knowledge of JSON, XML., • Extensive experience of writing and using Use Cases., • Excellent ability to provide near accurate estimates and plan ahead., • Experience working in all phases of SDLC - Analyse, Design, Develop, Test, Deploy, Monitor, Optimise., • Experience in analysing system/application performance, utilising appropriate toolsets to gain insights., • Experience with incident management and change control processes., • Experience working in Agile (SCRUM) projects., • Highly numerate and literate, with the ability to produce top quality written specifications., • Experience working in Financial Services; Mortgage industry experience is highly desirable, • Excellent analytical skills. Our Values Our values are well established and recognised throughout our organisation. They provide a frame of reference for the behaviours expected from our colleagues every day. We find ways to break old conventions, especially those which cause exclusion or customer harm. We look for these qualities when hiring new talent into the organisation, and they underpin our approach to personal development and performance management for all our people. At the heart of this is the fact we care about our Customers, Our Colleagues and our Communities. We are: Visionary- We innovate and break old habits, thinking big and pushing boundaries together as one team Inclusive - We value each other’s differences and work to see people for who they really are Dynamic - We are flexible and fast, cutting through complexity and never accepting second best Authentic - We are honest and genuine, what you see is what you get Benefits We offer a comprehensive benefits package to support our employees’ professional and personal needs. Further details can be provided upon application.

Senior Python Developer - Python, SQL, Databricks, AWS/Azure OB have partnered with a Global Insurance Leader, who are expanding their Python Engineering team, with Senior Python Developer, skilled with Python, SQL, Databricks and Cloud Infrastructure. In this role, you will play a key part in designing and building new capabilities, such as high-performance API's and high-frequency event streams, as well as making improvements to their current platform. Senior Python Developer - Python, SQL, Databricks, AWS/Azure Key skills and experience: Python FastAPI SQL Databricks AWS/Azure API's Hybrid working with 3-days a week required in a Central London office Pays up to £90k + benefits To be considered, you must be UK based Senior Python Developer - Python, SQL, Databricks, AWS/Azure

Senior Java Developer – Middle Office Platform (Credit & Rates Trading) Location: London Salary: £120K-£140K + up to 25% Bonus + benefits About the Company This global financial technology firm is renowned for combining cutting-edge engineering with a market-leading trading platform that powers electronic trading across Credit and Rates. Their flagship product is used daily by thousands of brokers and traders worldwide and is a central pillar of their long-term growth strategy. They foster a fast-paced, product-focused culture where engineers have direct impact on scaling systems that sit at the heart of global capital markets. The Role We are seeking a Senior Backend Java Engineer to play a key role in scaling the Middle Office platform of a world-leading electronic trading system. You’ll work on mission-critical backend services, collaborating closely with global teams (including New York) to ensure performance, scalability, and resilience in a high-volume, real-time environment. This is a hands-on leadership role where you’ll mentor other engineers, promote engineering excellence, and act as a point of contact for senior stakeholders. Projects You’ll Work On • Scaling a real-time trading platform: Handle vast growth in electronic trading volumes, ensuring throughput and ultra-low latency., • Resilience & recoverability: Build fault-tolerant services and recovery systems for mission-critical trading operations., • Automation & testability: Drive forward engineering practices, embedding automation to ensure reliability and speed of deployment., • Cross-market solutions: Exposure to multiple asset classes, building technology that underpins Credit, Rates, and wider electronic markets., • Global impact engineering: Collaborate with international teams, delivering systems used daily across the US, Europe, and Asia. What They’re Looking For • 8+ years of professional Core Java development experience, • Strong knowledge of data structures and algorithms, • Hands-on experience with SQL and at least one scripting language (Python, Perl, Shell etc.), • Solid understanding of network programming fundamentals, • Degree in Computer Science, Engineering, or related STEM field, • Experience leading and mentoring engineers in collaborative teams, • Excellent communication skills and ability to engage stakeholders Why Apply? • Opportunity to engineer one of the most widely used electronic trading platforms in the market, • Work in a high-performance environment where technology is central to business strategy, • Competitive compensation and bonus structure, • Accelerated career progression in a global financial technology leader

Role: Quantitative Developer Type: Contract Duration: 6 Month (High chance of extension!) Rate: up to £750 P/D (Outside IR35) Location: London/Remote My leading FinTech client are looking for a senior Quant Developer with strong front office experience to join their existing team of passionate technologists to help drive forward the development of a variety of their front office platforms! You will get the opportunity to join a team of like minded technologists and work on some of the most performant, scalable and reliable technology that the trading space has to offer! This will be a 6 month (rolling contract) and can be fully remote!! The following experience/skills are required: • Strong experience in a similar role (Quant Development/Analysis), • Front Office experience , Ideally with experience working on Fixed income products, • Strong Python, • Strong exposure to datalake techynologies - Snowflake etc, • Excellent communication skills Interviews taking place ASAP. Please don't hesitate to reach out direct.

Senior Python Developer - Python, SQL, Databricks, AWS/Azure OB have partnered with a Global Insurance Leader, who are expanding their Python Engineering team, with Senior Python Developer, skilled with Python, SQL, Databricks and Cloud Infrastructure. In this role, you will play a key part in designing and building new capabilities, such as high-performance API's and high-frequency event streams, as well as making improvements to their current platform. Senior Python Developer - Python, SQL, Databricks, AWS/Azure Key skills and experience: Python FastAPI SQL Databricks AWS/Azure API's Hybrid working with 3-days a week required in a Central London office Pays up to £90k + benefits To be considered, you must be UK based Senior Python Developer - Python, SQL, Databricks, AWS/Azure

Backend Software Engineer / Developer (C# .Net Core Cloud CQRS) London / WFH to £85k Are you a technologist with strong backend C# .Net skills? You could be progressing your career at in a senior, hands-on role Backend Software Engineer role at a successful and scaling Retail FX Brokerage working on complex and interesting Greenfield systems with continual learning and self development opportunities. As a Backend Software Engineer you'll be designing and developing high quality, maintainable, and reliable code for a real-time, low latency trading systems built mostly in C# and React deployed to Azure. You'll focus on C# .Net backend development within an AWS environment, but also with exposure across the full technology stack in a modern development environment with microservices. There are many technical challenges to explore, the initial project will be to build a KYC system from scratch. Location / WFH: You'll join colleagues in the London office Monday to Wednesday with flexibility to work from home Thursday and Friday. About you: • You have strong C# .Net Core backend development experience, • You have a good knowledge of microservices and Cloud (AWS or Azure) experience, ideally you'll have some experience with Docker / Kubernetes, EKS, • You have a good understanding of CQRS and event driven architectures, • Ideally you will also have some front end development experience with JavaScript / TypeScript / React.js or Angular, • You have strong analytical and problem solving skills, • You're collaborative with excellent communication skills What's in it for you: As a Backend Software Engineer / Developer you will earn a competitive package: • Up to £85k salary, • Bonus, • Private Healthcare, • Pension, • 25 days holiday Apply now to find out more about this Backend Software Engineer / Developer (C# .Net Core React) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

PowerApps Developer London (Hybrid) Our Client is a globally recognised, successful bank who provide world-class services to various institutions and individuals. Offering a comprehensive range of retail and corporate financial services/products, this thriving business boasts over 10 million active customers in over 700 business locations. Due to business requirements, we are now looking to acquire the services of an experienced PowerApps Developer. • This is a hybrid role with 3 days in the office & 2 days from home To support the design, development, and deployment of business applications using Microsoft Power Platform. This role focuses on assisting senior developers and technical leads in building efficient, user-friendly, and scalable low-code/no-code solutions that automate processes and improve business productivity. Key Responsibilities: Customize and enhance existing PowerApps applications. Translate business requirements into technical solutions with clear and effective app interfaces. Automate repetitive tasks and integrate with services like SharePoint, Outlook, Teams, and Dynamics 365. SharePoint, Dataverse (Common Data Service), SQL Server, Excel, Dynamics 365 Understand and use connectors to integrate third-party apps/APIs. Provide basic user support and respond to user feedback. Assist in testing and debugging during development. Document app functionalities, updates, and changes for stakeholders and team members. Participate in team meetings and Agile/Scrum ceremonies (if applicable). Contribute to code reviews and knowledge sharing. Learn new connectors, formulas, and integration methods. Key Skills/Experience: Power Automate – Automating workflows and using standard connectors. Dataverse (Common Data Service) – Basic data modelling and relationships. Office 365 Tools – Teams, Outlook, Excel, OneDrive. Microsoft Teams integration with PowerApps. Basic understanding of entities, tables, fields, and relationships. Ability to use formulas and expressions in PowerApps (like Excel functions). Debugging common errors in apps or flows. Basic conditional logic and loops in Power Automate. The Curve Group is a dynamic Recruitment Services and Human Resources business with a mission to transform the working lives of the people and organisations we work with. We will retain your data for two years from the last point of contact, after which it will be securely deleted. You can view our full Privacy Policy here: ___You can view our full Privacy Policy here:

Backend Software Engineer / Developer (Windows C / C++, C#) London to £70k FTC Are you a skilled Backend Software Engineer with strong C++ skills? You could be progressing your career in a senior, hands-on role at a global market data provider whilst enjoying a range of perks and benefits. As a Backend Software Engineer you will join an Agile team focussed on building and maintaining Exchange Connectivity software systems that require real-time and low latency, maintaining data feeds and developing key underlying transport protocols for data transmission. The platform has been built with C++ and C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages per day. Location / WFH: You'll join colleagues in the City office three days a week with flexibility to work from home the other two days. There is also the possibility to work remotely (in the UK) if you're not within a commutable distance of London. Please note this is a 12 month Fixed Term Contract. About you: • You have C / C++ development skills on Windows OS, • You have full software development lifecycle experience, • You have a good knowledge of networking protocols e.g. TCP/IP, multicast, • You have a strong grounding in Computer Science fundamentals e.g. multi-threading, OOP, Data Structures, Design Patterns, • You're collaborative with great communication skills What's in it for you: As a Backend Software Engineer / Developer you'll receive a competitive package: • Salary to £70k + bonus, • 25 days holiday, • Pension, • Life Assurance and Income protection, • Private Medical and Dental care, • Gym subsidy and wellness apps, • Cycle to work scheme, • Ability to buy stock options, • Family leave and sabbaticals, • Continuous training and career development including personalised budget, • Gain valuable finance / exchange connectivity experience Apply now to find out more about this Backend Software Engineer / Developer (Windows C / C++, C#) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Judopay is a new-age payments platform. We build and design the technology that enables payments for brands like KFC, Hiscox, Foxtons and AutoCab. You’ll be joining the company at a pivotal time in our growth as we expand our payment offering over the next 12 months. Focusing on reducing complexity across the entire payment chain, you’ll help some of the UK’s leading brands launch new payment products, reduce fraud and identify innovative ways for them to tackle business challenges through their in-app, online and face-to-face payments. We are seeking a passionate Senior Backend Scala Developer to join our API Team. Your primary objective is to support and expand our new "Shodan" payment platform. This is built almost entirely in Scala, based on a microservices architecture and with a design inspired by the Reactive Manifesto. Responsibilities • Active collaboration with the technology team to drive best practice, • Working on both improvements to existing services, and new feature development, • Ensuring timely delivery of solutions with a high level of quality in an agile environment, • Ensuring features are implemented with extensive and appropriate test coverage, • Maintaining documentation; recommending improvements, standards, tools and best practices, • Enthusiasm to acquire an appropriate knowledge of the technologies and principles used by, • the team, • Coordinating the delivery release pipeline, championing automation engineering and a CD, • goal across all services What We’re Looking For • 5+ years commercial experience with Scala, • Experience working with Akka, Play and Cats, • Working knowledge of Continuous Delivery / Continuous Integration, • Open and collaborative approach to your work, • Genuine passion to build products that will wow and delight our customers, • Awareness and experience with widely successful Agile techniques: User Stories, ATDD, TDD,, • BDD, DDD, Continuous Integration, Continuous Testing, Pairing, Automated Testing, etc, • Strong time management, analytical and problem-solving skills Nice to have • Payments industry experience, • Experience and good understanding of a micro-systems architecture, • Experience of event sourcing and CQRS, • Experience designing, building and delivering API’s, • Experience working with Lagom or Tapir, • Experience working with DevOps or cloud services tooling and infrastructure, • IT Related Degree Benefits • Competitive salary, • Uncapped Holiday - upon successful completion of probation, • Private medical healthcare - upon successful completion of probation, • Internal and external training, • Birthdays off, • Mental Health Self Care Days, • Personalised career development plan, • Cycle to work scheme., • Pension, • Very cool office in the heart of Hoxton with hybrid working policy in place, • Very delightful office dogs, • Enhanced parental leave policies, • Eyecare vouchers

Senior .NET Developer – Manchester (Hybrid Remote) - £60k .NET Core & Azure DevOps Modernisation | 2pdw in office | Flexible Culture | Agile Scrum Ada Meher is partnered on a search with a leading FinTech business with offices on Deansgate as they recruit an experienced Senior .NET Developer to join them as they undergo a modernisation project from a legacy monolith to cloud-based microservice architecture. The business uses Agile Scrum methodology so are looking for a candidate with experience working in scrum teams and who is comfortable working using Agile concepts for estimation of tickets, sprint planning, burn down charts & velocity etc. There is no expectation that a candidate should have prior formal Team Lead experience, but there will be an opportunity to step into that role. As a hybrid employer, this business is set up to support remote and flexible working allowing their employees to get the most out of home life whilst also contributing to the success of the team. They ask for an office presence 2dpw, to collaborate with the team in person. To Be Considered: • Strong experience with ASP.NET and .NET Core 8, • Experience working with Azure DevOps & CI/CD Pipelines, • Experience working with microservice architectures and cloud deployments, • A strong understanding of Agile delivery and associated tasks/metrics, • Experience with JavaScript/Typescript The client are at the very start of an exciting new chapter in their development, following the acquisition of the business by an equity group. They are looking to overhaul the current platforms to the latest technologies & standards before then progressing their products down a strategic roadmap into a full SaaS offering. As such, they are looking for individuals who seek a long-term opportunity to grow with the business as they achieve this, with progression pathways into Lead and Head of roles available longer term for the right candidate. We are expecting a strong response to this .NET Developer role, so please apply within or send a CV to today for consideration.

Senior Full Stack Developer Hybrid (London, Cambridge, or Bristol – 3 days per week) Up to £100,000 + 5% Bonus + Benefits Are you a talented Full Stack Developer looking to work at the forefront of AI and software innovation? We’re partnering with a leading international law firm that’s building cutting-edge GenAI and LLM-powered solutions — and they’re looking for a Full Stack Developer to help shape the next generation of legal technology. This is a unique opportunity to work within a forward-thinking tech team that’s reimagining how AI can transform client delivery, knowledge management, and operational excellence across a global firm. 💡 Why this role? • Work directly with data scientists and AI engineers on enterprise-scale AI and machine learning products., • Build production-ready applications that leverage Generative AI and Large Language Models (LLMs)., • Hybrid flexibility: 3 days per week in either London, Cambridge, or Bristol, 2 from home., • Join an award-winning firm recognised for innovation, inclusion, and career development. 👩 💻 What you’ll be doing: • Designing, developing, and maintaining front-end and back-end components of complex web applications., • Collaborating with product owners, designers, and data teams to deliver user-friendly, high-performance tools., • Implementing cloud-based solutions and managing DevOps processes for seamless deployment., • Working in an agile team, contributing to sprints, backlog refinement, and continuous improvement., • Staying up to date with AI/ML and LLM trends to bring innovative ideas into production., • Ensuring code quality through testing, documentation, and peer review. 🎯 What we’re looking for: • 4+ years’ experience building enterprise-grade applications., • Strong backend skills in Python (FastAPI, Flask) with experience designing APIs and integrating databases (e.g. GraphDB, CosmosDB, SQL)., • Solid frontend development skills in React, TypeScript/JavaScript, HTML, and CSS., • Experience developing scalable, cloud-based solutions — Azure preferred., • Understanding of modern development best practices, including agile delivery, CI/CD, and automated testing., • Passion for emerging tech and willingness to learn Generative AI and LLM technologies (e.g. OpenAI, Claude). ✨ Nice-to-haves: • Experience working in or with legal tech, consulting, or data-driven environments., • Familiarity with UX design principles and the ability to prototype interfaces., • Experience managing deployments or infrastructure automation. 💰 Package & Benefits: • Salary up to £100,000 + 5% annual bonus., • Hybrid working – 3 days per week in London, Cambridge, or Bristol office., • Private medical insurance, pension contribution, and enhanced family leave.

Senior Quality Assurance Automation Engineer (Must have excellent Java coding skills) • Perm, • 3 days a week on-site in London, • Up to £75,000 per annum A rapidly growing fintech organization is transforming access to finance for small and medium-sized businesses. With over £150 million lent through its proprietary credit platform, the company is redefining how business funding works — making it faster, simpler, and more transparent. The company is seeking a Senior Quality Assurance (QA) Automation Engineer to join its expanding engineering team in Farringdon. This full-time, on-site role involves designing and maintaining robust test automation frameworks, performing manual and automated testing, and collaborating closely with developers, product managers, and other stakeholders to ensure the delivery of reliable, high-quality software products. The successful candidate will join a growing QA function that was established last year and is scaling alongside the development team. This is an opportunity to contribute to shaping QA strategy, processes, and best practices as the organization continues to expand its technology and product offerings. Key Responsibilities • Design, develop, and execute comprehensive test cases for functional, system, and regression testing., • Build, maintain, and adapt automation frameworks using Java, Selenium, and BDD tools such as JBehave., • Perform manual testing as required to validate product features and workflows., • Collaborate closely with developers to ensure robust coverage of microservices-based systems., • Contribute to continuous integration and delivery pipelines through effective automation and test design., • Provide input on QA strategy, tooling, and process improvements as the team scales. Role Requirements • Strong background in software testing — both manual and automation., • Excellent command of Core Java with the ability to write and maintain clean, scalable automation code (Ideally an ex Java developer), • Hands-on experience with Selenium and BDD frameworks (e.g., JBehave)., • Exposure to Playwright or other end-to-end testing tools., • Solid understanding of microservices architecture and inter-service communication., • Ability to design and execute end-to-end testing across multiple services and environments., • Experience working in Agile development environments.e., • Relevant QA certifications (ISTQB, CSTE) are advantageous., • Preference for candidates with stable, progressive career histories., • Ideal to come from the payments or finance industry, • Knowledge of CI/CD pipelines and tools such as Jenkins and Git., • Familiarity with cloud-based environments., • Experience with performance or security testing. Interview Process • First Round: Interview with the QA Manager — a mix of technical discussion, QA methodologies, and team fit., • Second Round: Technical interview — in-person technical discussion at the Farringdon office.

TreasurySpring is the product of an obsession with fixing the fundamental structural problems in money markets. Our fascination with the sector began painfully, during the Global Financial Crisis of 2008, where we had a front-row seat to watch the evaporation of liquidity in fixed income and the near collapse of the entire short-dated funding markets. We have been on a mission to help deliver more sustainable solutions for the money markets ever since, and we launched TreasurySpring in 2018 to offer institutional clients a single gateway to the broadest range of the best risk-adjusted cash investment options. As a fast-growing London-based financial technology company, we deliver a unique solution to a global multi-trillion-dollar problem, delivered globally from our offices in London and New York. Our regulated Fixed-Term Fund platform delivers new digital pipelines to connect cash-rich firms to institutional borrowers. Clients include large Private Equity funds, Asset Managers, listed Corporates, high-growth tech companies and many more. Learn more about why we do what we do ___. The role: Senior Python Developer Join our lean UK-based technology team as a Senior Python Developer, where you'll play a pivotal role in the development of our systems. Working closely with the CTO and Head of Software Engineering, you'll have the opportunity to make a significant impact within our growing fintech business. This role offers the flexibility of remote work alongside visits to our offices in Mayfair, London. Our proprietary technology platform handles billions of dollars worth of our customers' investments every day, capturing all client orders and managing the entire investment cycle. Our backend services are built in [typed] Python3, backed by a Postgres database. This includes a proprietary workflow engine built around a Scheme-based workflow notation. Our frontend systems include our clean, simple web portal for client order capture and reporting, built in TypeScript and React; with server-side REST and GraphQL APIs written in Python3. What we’re looking for… Essential skills and experience: • 5+ years experience of developing complex applications using an OO language (ideally Python, but experience in C++ / C# / Java / etc would also be considered), • Experience working on mission-critical applications, following a robust SDLC, • Excellent communication and problem-solving skills; and a strong aptitude for learning, • Experience and enthusiasm for test-automation and CI/CD, • Deep knowledge of Python, including any of the frameworks we currently use: Flask, SqlAlchemy, Alembic, Pydantic, • Experience with relational databases, ideally Postgres, • Experience of message-based architectures, and queuing technologies, i.e. RabbitMQ, • Experience of REST and/or GraphQL APIs, • Knowledge of the core AWS services: i.e. EC2 / ECS, RDS, S3, • Experience using DataDog or similar observability tools, • Knowledge of containerisation: Docker, Kubernetes, AWS Fargate etc, • Any experience of front-end or fullstack development using TypeScript & React, • Experience building software for financial services and/or investment management organisations We don’t expect candidates to have knowledge of all of the above, but we hope you’re keen to learn! What you’ll do: Responsibilities • Designing and developing mission-critical systems and applications that support our trading and investment operations, and our client-facing products., • Analysing requirements, proposing solutions, and designing software components and systems., • Writing high-quality, efficient, and maintainable code., • Participating in code reviews, providing feedback to other team members and ensuring that coding standards and best practices are followed throughout the development process., • Mentoring and coaching less-experienced developers, helping them improve their skills, learn best practices, and grow professionally., • Communicating effectively with stakeholders to understand requirements and provide updates on project progress., • Optimising the performance of Python applications, identifying bottlenecks and inefficiencies and implementing solutions to improve scalability, responsiveness, and efficiency., • Staying updated on the latest trends, technologies, and best practices in Python development and software engineering. What we offer: Benefits • Competitive salary, depending on experience, • Equity and bonus scheme, • Unlimited Paid Leave, • Hybrid office-working model - we're in a great location near Green Park station in London, • Enhanced Parental Leave and Pay, • Workplace Pension, • Complete Bupa HealthCare Cover, • Life Insurance, • Income Protection Insurance, • Access to Yulife (Employee Assistance Programme), • Remote Office set-up budget, • Cycle to Work Scheme, • A fun and dynamic working environment with regular team-building activities and events

Senior PHP Developer with (Laravel | Symfony) – Remote (UK) - £85k + Bonus and shares We’re searching for a talented senior PHP developer to join our team and dive into building a one-of-a-kind platform that manages finances for super yachts and touring bands—pretty cool, huh? This isn’t your average gig; you’ll be working on a complex system that caters to some truly unique industries, using Laravel or Symfony as your main tools. Expect to get your hands dirty with a variety of tasks: designing and implementing robust APIs, optimizing database queries to keep things running fast and smooth, and developing features that make life easier for our clients—like automated invoicing systems or real-time expense tracking. You’ll also troubleshoot tricky bugs and collaborate with the team to ensure the platform stays reliable and scalable as we grow. If you enjoy solving real-world problems with clean, efficient code, this could be right up your alley. The best part? This role is fully remote, meaning you can work from literally anywhere in the UK. You’ve got the freedom to set up your workspace wherever suits you best. If you want to there is an office in Manchester where 50% of the business works from but you have the flexibility to make it work your way, as long as you’re based in the UK. On top of that, we’re putting together a compensation package that’s worth your while. You’ll get good benefits to keep you covered, a bonus to reward your hard work, and shares in the company—yep, a little slice of the action to make you feel invested in what we’re building. Our leadership team isn’t new to this game either; they’ve built and sold very successful software companies and worked for names like Amazon and Microsoft, so you’ll be working with people who know how to turn ideas into successes. If you’re ready to tackle some interesting challenges, write code that matters, and join a team that’s doing something a bit out of the ordinary—all from wherever you call home in the UK—then we’d love to hear from you. Venchr is an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws, regulations and ordinances.

Senior Platform Engineer – AWS/Python/Terraform • Global Financial Services organisation Location: London Salary: £85,000 - £100,000 + benefits + bonus (20%) Hybrid: In office 3 days per week Company Overview Join a leading global financial services organisation in the heart of London and drive innovation. The Platform Engineering team seeks an ambitious Engineer specialising in AWS, Python, Terraform, Git for CI/CD, and Docker to create a cutting-edge platform for rapid, reliable software development and deployment. What's In It For You • Global: Join a dynamic team at a top Financial Services Firm., • Continuous Learning: Access paid training for professional growth., • Work-Life Balance: Flexible work arrangements, with 3 days in the central London office., • Collaboration: Work closely with development teams on monitoring metrics and CI/CD pipeline development., • Comprehensive benefits package: Including private healthcare with digital GP access, generous pension with employer match, life and income protection, 25 days’ holiday, family-friendly policies, wellness support, learning sponsorship, and perks like cycle-to-work, season ticket loans, and free office refreshments., • Exciting Projects: Engage in complex, challenging projects. Role Responsibilities • System Management: Monitor and manage AWS-focused systems and infrastructure., • Platform Operations: Build and maintain a platform for cloud and on-premise application provisioning and operation., • Configuration and Maintenance: Install, configure, test, and maintain operating systems, software, and infrastructure tools., • CI/CD Development: Develop a continuous integration and deployment platform integrated with development tools., • Developer Experience: Enhance developer experience in cloud infrastructure and application deployment., • Policy and Guidelines: Develop policies, standards, and guidelines for Infrastructure as Code (IAC) and CI/CD processes., • Automation: Implement workflow and toolchain improvements for task automation. Required Skills and Experience • Experience: Minimum 5 years in a professional Platform Engineering role., • Cloud Proficiency: Securely deploy and manage AWS applications, with cloud-native tooling and security best practices., • Scripting Skills: Proficiency in Python., • Docker Proficiency: Experience with Docker containerisation for software deployment and scalability., • CI/CD Expertise: Automate software build, test, and deployment pipelines following agile methodologies., • Terraform Exposure: Beneficial experience with Terraform., • Observability Tools: Experience with Grafana and Splunk is beneficial, particularly in developing and applying an observability strategy across a large organisation. Learn More For more information, contact George Harris at Harrington Starr for a confidential conversation, or click "Apply" to start your application.

Senior Software / Platform Engineer (LLM / AI Interest) | Brand new AI Platform 💰 £120,000 - £130,000 📍 London - 4 days a week in office (Paddington) 🛠️ Python, GCP, Kubernetes, Terraform, CI/CD, AI / LLM interest Here at Burns Sheehan, we’re working with a leading UK tech business in the payments and financial services space - processing billions in transactions each year and supporting around 20% of all UK card payments. They’re continuing to invest heavily in their engineering function and are now expanding a dedicated AI team that’s quickly becoming a key part of their technology strategy. They’re hiring experienced Software / Platform Engineers to help build and scale their internal AI Platform - the infrastructure, tooling, and developer experience layer that enables teams across the business to develop and deploy AI-driven products. What You’ll Be Doing: • Designing and building the core AI platform that supports LLMs, agents, and other AI systems., • Developing APIs, SDKs, and orchestration tooling that help product / data teams consume AI capabilities at scale., • Automating infrastructure / model deployments using Kubernetes, Terraform, and CI/CD pipelines., • Building and managing vector databases and retrieval systems to support RAG pipelines., • Working with LLM frameworks like LangChain, LangGraph, CrewAI, or similar tools., • Partnering closely with engineering, security, and product teams to deliver safe, production-ready AI systems. What They’re Looking For: • Strong background in Software or Platform Engineering - ideally with Python, Java or Go., • Experience with Kubernetes, Terraform, and cloud environments (GCP preferred)., • Understanding of microservices, distributed systems, and cloud-native architecture., • Interest or experience in AI infrastructure, LLM tooling, or AI platform enablement., • A collaborative engineer who enjoys problem-solving and contributing to technical direction. If you’re interested in helping build real AI infrastructure within a fast-moving, product-led business that’s making a visible impact across the UK - get in touch to find out more. Senior Software / Platform Engineer (LLM / AI Interest) | Brand new AI Platform

Senior Java Developer This is a hybrid role requiring 1/2 days per week in their London office. La Fosse are partnering with a market leading InsurTech provider who are in the market for a skilled Senior Java Developer to join the core software engineering team. This role provides a unique opportunity to lead technical initiatives, mentor team members and help build systems that are scalable, maintainable, and deliver value. The work you do will span the full software development lifecycle, from idea to production, and you’ll be empowered to take ownership of complex engineering challenges. Key Requirements: • Java, • Spring Boot, • AWS, • Excellent communication., • Bachelors or Masters degree., • Experience working at a start-up / scale-up. Compensation: This role is offering an incredibly competitive salary + extended benefits package. How to apply: Please apply through the link on this page. This role doesn't offer sponsorship

Senior Java Developer - Java, Kotlin, Concurrency, Kafka, RDBMS, Unix, Linux, Front Office, Multi-threading Role Overview: I am seeking a Senior Java Developer to join a leading Investment Bank as part of their global front-office technology team. This is a hands-on position focused on working with a real-time, event-driven system that underpins our industry-leading platform. You will play a crucial role in modernizing and enhancing core system components, ensuring the platform can scale to meet the growing demands of business event processing and data management. Key Responsibilities: • Develop, implement, and maintain highly performant, secure, and scalable Java applications., • Java Server Side Concurrent Programming with Spring Boot (Core Spring), • Leverage Kafka or other message queue systems to handle asynchronous processing., • Design, optimize, and maintain MongoDB (NoSQL) database schemas., • Craft and optimize advanced SQL queries for relational databases., • Create comprehensive unit and integration tests using JUnit and other relevant frameworks., • Take full ownership of feature development from design through to production deployment., • Collaborate effectively with cross-functional teams, balancing independence and teamwork. Key Skills: • Java, • Kotlin, • Concurrency, • Message-driven architectures - Kafka, MQ, • SQL Queries, • Unix/Linux scripting, • Multithreading This is a full time role offering a salary of up to £130k. You will be required to attend the office in London 3 times per week. If you are interested or know anyone who might be please apply or email me direct - Senior Java Developer - Java, Kotlin, Concurrency, Kafka, RDBMS, Unix, Linux, Front Office, Multi-threading

🚀 Senior Java Engineer (Kafka, Spring Boot, Microservices) We’re hiring a Senior Java Engineer to build secure, real-time systems using Java, Spring Boot, and Apache Kafka. You’ll design scalable event-driven microservices, collaborate across the stack, and shape a platform used in mission-critical environments. If you’re a hands-on backend engineer passionate about distributed systems, resilience, and clean architecture — this is your next challenge. 🌍 Location & Flexibility Work remotely from anywhere in the UK, with the option to use a London office when you prefer in-person time. Team meetups are planned in advance, flexibility is the default. 💡 Required Experience • 10+ years’ experience as a Java Backend Engineer / Senior Java Developer, • Proven track record building and scaling Kafka-based architectures in production, • Deep expertise with Spring Boot (Security, Web, and Data modules), • Experience designing and maintaining event-driven systems with high throughput and reliability, • Strong understanding of observability, availability, and resilience, • Experience working in security-conscious, regulated, or mission-critical domains, • Skilled with CI/CD pipelines, Infrastructure-as-Code, and containerized environments (Docker, Kubernetes), • Experience integrating with AI development tools such as Copilot, Cody, or Augmentcode 🌟 Nice to Have • Experience designing or contributing to messaging or synchronization systems, • Familiarity with zero-trust architectures or encrypted transport frameworks 💥 Why Join • Build real-world impact systems for secure, distributed operations, • Join a high-trust, collaborative engineering culture, • Work with cutting-edge tech in real-time and AI-integrated environments, • Enjoy remote flexibility, competitive pay, and equity options Ready to build something that matters? At Pixelated People, we don’t just do inclusion and diversity. We embrace people that have different opinions, perspectives and personalities. Because we believe that by seeing the world from all sorts of angles, we can make life better for all the people who live in it. So we want you to know that the things that make you, you — like your age, ability, background and identity — are things that we celebrate and support.

Senior Software Engineer - Platform Team / Developer Tooling (IaaS) 💰 £115,000 - £130,000 📍 London - 4 days a week in office (Paddington) 🛠️ Go, Kubernetes, GCP Here at Burns Sheehan, we’re working with a well-established, high-growth UK tech business in the payments and financial services space. Processing billions in transactions annually and supporting nearly 1 in 5 card payments across the UK they're building out their core platform with a centralised infrastructure to support continued scale. They’re looking for x2 Engineers to join their Infrastructure-as-a-Service (IaaS) team - focused on internal tooling, infrastructure provisioning, and improving the developer experience across the business. What You’ll Be Doing: • Building tools and services that improve infrastructure workflows for engineering teams, • Collaborating with senior engineers and product leads on design and implementation, • Contributing to technical strategy, team mentoring, and engineering standards, • Opportunity to work on Open-source projects focusing on AI agents What They’re Looking For: • Strong software engineering background, ideally writing Golang, • Solid experience with Kubernetes, • Experience in cloud environments - GCP preferred, AWS/Azure acceptable, • A collaborative engineer who can mentor others and contribute to team direction If you're interested in building platform tools with real impact, in a stable and well-backed business with strong growth and a long-term tech roadmap, get in touch to find out more. Senior Software Engineer - Platform Team / Developer Tooling (IaaS)

Senior Python Developer | Electronics x AI £100k to £130k base + stock options + benefits Hybrid within the UK. Office days usually Wednesday and Thursday The mission Build software that lets teams design electronics at ridiculous speed using AI. Turn research into production systems that ship. What you will do • Own Python services and APIs for AI-driven design workflows, • Convert prototypes to robust, tested, observable production code, • Optimise performance for compute heavy workloads, • Collaborate with ML and product to ship end to end, • Improve CI, monitoring, and release quality What you will bring • Strong Python in production and senior-level ownership, • Depth in one of: algorithms, optimisation, ML, signal processing, or EDA, • Experience with some of: Django, FastAPI, GraphQL, PostgreSQL, Redis, Docker, pytest, mypy, • Pragmatic testing, profiling, and code review habits Our tech Python 3.11, Django, GraphQL, PostgreSQL, Redis, Docker, CI, mypy. TypeScript and React on the product surface. Why this is worth your time • High ownership on core systems with real product impact, • Meaningful equity and competitive salary, • Flexible hybrid setup with modern tooling, • Smart teammates, zero corporate sludge The process Screening chat, hands-on technical, architecture deep dive, references, offer. Adjustments available. Understanding Recruitment is acting as an employment agency for this vacancy. We welcome applicants from all backgrounds. If you need adjustments, tell us and we will make it work.

Being a Senior Software Engineer at Privalgo We are looking for a dynamic and forward-thinking Senior Software Engineer. We need someone that can hit the ground running, remaining accountable as you work alongside a globally distributed team. As a Senior Software Engineer, you will work with our Architects and Product Team to bring designs to life. More specifically, you will demonstrate high-quality software development expertise, responsible for developing a secure, high-performance code. You will be confident with the software development life cycle (SDLC) from preliminary system design through to development, onto tests and deployment. We want someone who is passionate and remains curious, always asking why, and why not, and not afraid to have a voice. As a Senior Software Engineer, you will be a mentor to other less experienced developers, challenging the team to do better. When it comes to Technology initiatives, you’ll be proactive and contribute new ideas, keen to lead the development of new features, work on bug fixes and support issues when they arise, continually improving how we build our software. A customer-centric approach will underpin everything that you do, providing support to the client base as needed and always keeping our clients at the forefront to deliver a best-in-class service. Lastly, we want you to get to know the three pillars of our culture: ambition, accountability, and impact – to live and breathe it. Objectives (6-12 months) Software Design and Development • Take new feature documentation and tickets from the Product Team and develop high quality code, often leading the implementation of the feature ready for testing., • Work with the wider team to assist with sizing new features., • Participate and provide support to the wider software development team and client base. - Be responsible for developing new features and bug fixes., • Develop high-volume, high-performance, high-availability applications using proven frameworks and technologies., • Aid consistent use of shared platform components and technologies within Privalgo., • Contribute to best practice for application development. Troubleshooting & Debugging • Assist in writing unit and integration tests, within test environments to ensure code quality., • Assist in defining the team's technical strategy and advising on product roadmaps and migration plans to achieve strategic goals. Documentation • Take new feature documentation and tickets from the Product Team to implement new feature., • Write concise yet comprehensive technical documentation., • Assist the Team to explore and suggest appropriate technical solutions to achieve the required product features as well as monitoring technical progress against plans. While safeguarding functionality, scalability, and performance., • Be responsible for work quality, ensuring it meets the technical standards for all output., • Monitor work against the production schedule closely and provide progress updates and report any issues or technical difficulties on a regular basis. Skills & Experience Experience • 5+ years’ experience as a Software Engineer or Software Developer., • Demonstrable background in Computer Science, Computer Engineering or equivalent work experience., • Experience within the FX and payments industry is desirable. Skills • Strong knowledge of C# & .NET 6 or above and Angular., • Knowledge of Azure Cloud, in particular providing SaaS solutions., • Knowledge of object-oriented programs, SQL, web application development and writing secure and robust code., • Creating /maintaining accurate and current system documentation to serve as reference points for all staff and support future development of the system., • Write efficient, reusable and well-structured code., • Understand Object Orientated software development principles such as inheritance and polymorphism., • Knowledge of the software development process and related technologies., • Good knowledge of Design Patterns, Software Engineering Principles and Best Practice, • Knowledge of configuring and supporting Dynamics CRM including writing custom code is a benefit. You • Confident managing multiple projects, ensuring timely delivery of objectives. The pace at Privalgo is fast!, • Demonstrates ownership of assigned tasks, components, and the platform., • Strategic thinker with a track record of driving product innovation., • Solid analytical and problem-solving abilities. Makes data-driven decisions to build the best products and features., • Excellent communicator with professional demeanor, both written and verbally., • Can confidently collaborate with key stakeholders across the business., • An effective mentor, willing to coach less experienced members of the team. Challenges where necessary in the pursuit of what’s right for Privalgo., • Detail orientated. Consistently applies accuracy and attention to detail to any task at hand. • Start-up mentality: If the ball is falling, catch it!, • Embraces Privalgo’s culture, displaying ambition, staying accountable and making an impact! The hybrid life The development team is globally distributed and operates in multiple time zones. The Head of Technology Engineering and the wider business are based in London. As a business, we aim to be in the office together two to three times a week. It’s great for us to be united, bond and have fun whilst we work hard and show what we’re made of. We trust you to manage your week and stay responsible for your deliverables no matter where you are

Senior Software Engineer / Developer (Full Stack JavaScript) London to £100k Opportunity to progress your career in a senior, hands-on Software Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets, the company has been established 10 years, with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior Software Engineer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business. You'll work across the full tech stack using JavaScript and Vue.js on the front end, there's a range of other tech in the stack (TypeScript, Node.js, Java, Python and of course a bit of legacy PHP!), you'll be encouraged to explore new technologies and use the best tool for the job as well as own your own DevOps and deployment. There's an emphasis on getting stuff done and immediate business impact, alongside longer term strategy. Location / WFH: There's a hybrid work from home model with three days a week in the Hammersmith office and the other two work from home. When in the office you can enjoy the onsite gym, barista coffee and free breakfast. About you: • You have strong full stack JavaScript development skills and are happy to work on projects that could be weighted either way or a 50/50 split, • You have experience with JavaScript frameworks they use Vue.js but Angular or React experience is fine, you will also have experience with Python, Node.js and TypeScript, • You're product focussed with good business acumen, • You have a good knowledge of APIs and an indepth understanding of web development practices, tools and technologies, • You enjoy learning and picking up new things, • You're flexible and able to adapt to changing priorities, • You have full software development lifecycle experience including CI/CD and testing, • You're collaborative with Agile team experience, happy to mentor more junior developers, • You're likely to be degree educated in Computer Science or similar tech discipline What's in it for you: As a Senior Software Engineer you will receive a competitive package: • Salary to £100k, • 25 days holiday (increasing to 30), plus Christmas Eve, • Vitality healthcare plus a host of wellbeing benefits, • Pension, • Family leave and enhanced maternity scheme, • Continual career and self development opportunities, • Onsite gym, and partnership with Octopus Electric Vehicles and Evans Cycle to Work scheme, there's showers and towels if you do decide to cycle! Apply now to find out more about this Senior Software Engineer (Full Stack JavaScript) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Python Developer/ Backend Developer/ Senior Software Engineer - AI Startup (London, Hybrid) Location: London (Hybrid – 1 day per week in office) Package: £70k–£100k + equity We are partnered with a fast-growing AI startup building a cutting-edge product that redefines what’s possible in engineering. To accelerate their growth, we’re looking for a talented Python Developer / Software Engineer to join our London team and help build scalable, production-grade AI systems and tools. The Role As a Python Developer, you’ll be a key part of our core engineering team, developing backend systems, APIs, and data pipelines that power our AI products. You’ll collaborate closely with machine learning engineers and DevOps to turn research ideas into robust, production-ready applications. This is a high-impact opportunity to shape the engineering foundations of a pioneering AI company. Responsibilities • Design, build, and maintain high-performance backend systems in Python, • Develop and optimize APIs, data processing pipelines, and integration layers, • Collaborate with ML engineers to deploy and scale AI models into production Requirements • 3–6 years of experience as a Python Developer / Software Engineer, • Strong Python skills with experience in frameworks such as FastAPI, • Solid understanding of software engineering principles and design patterns, • Strong foundation in Computer Science (BSc/MSc from a top university), • Desirable: experience with AWS, frontend skills, • Startup experience is a plus Why Join Us? • Be part of a pioneering AI startup with global impact, • Collaborate with world-class engineers and ML researchers, • Hybrid model, 1-2 days a week in our London office, • Competitive salary + equity

Senior API Engineer - PHP - £90k + Bonus - Full Remote. We’re searching for a talented senior API developer with a background in building scalable web services around the PHP stack to join our team and dive into building a one-of-a-kind platform that manages finances for super yachts and touring bands—pretty cool, huh? This isn’t your average gig; you’ll be working on a complex system that caters to some truly unique industries. Expect to get your hands dirty with a variety of tasks: designing and implementing robust APIs, optimizing database queries to keep things running fast and smooth, and developing features that make life easier for our clients—like automated invoicing systems or real-time expense tracking. You’ll also troubleshoot tricky bugs and collaborate with the team to ensure the platform stays reliable and scalable as we grow. If you enjoy solving real-world problems with clean, efficient code, this could be right up your alley. The best part? This role is fully remote, meaning you can work from literally anywhere in the UK. You’ve got the freedom to set up your workspace wherever suits you best. If you want to there is an office in Manchester where 50% of the business works from but you have the flexibility to make it work your way, as long as you’re based in the UK. On top of that, we’re putting together a compensation package that’s worth your while. You’ll get good benefits to keep you covered, a bonus to reward your hard work, and shares in the company—yep, a little slice of the action to make you feel invested in what we’re building. Our leadership team isn’t new to this game either; they’ve built and sold very successful software companies and worked for names like Amazon and Microsoft, so you’ll be working with people who know how to turn ideas into successes. If you’re ready to tackle some interesting challenges, write code that matters, and join a team that’s doing something a bit out of the ordinary—all from wherever you call home in the UK—then we’d love to hear from you. Venchr is an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws, regulations and ordinances.

Software Engineer / Full Stack Developer (C# .Net React) London / WFH to £70k Are you a Full Stack Software Engineer with C# .Net and React skills? You could be progressing your career in a senior, hands-on role at a global tech company that provide data centric software solutions to major blue-chip and government organisations to enable them to discover and analyse data and customer feedback. As a Software Engineer within a cross discipline Agile product team you will design and develop data centric software using a range of technology with C# .Net backend and TypeScript and React frontend; you'll also use a range of other technology in the stack including Snowflake, Azure, Python and SQL. The team has lots of Greenfield projects in the pipeline, you'll be able to take ownership and play a key role in the full software development lifecycle from architecture and design through to delivery. Location / WFH: There's a hybrid work from home policy, with 1-2 days a week in the London office. About you: • You have strong C# .Net backend skills, • You also have frontend development experience with React and / or TypeScript, • You have Azure cloud experience, • You have a data centric mindset, ideally with Snowflake and SQL experience, Python would also be great but bot essential, • You're collaborative with great communication and problem solving skills, you're comfortable mentoring and supporting more junior engineers on the team, • You're degree educated in a STEM discipline What's in it for you: As a Software Engineer / Full Stack Developer (C# .Net React) you'll earn a competitive package: • Salary to £70k, • Bonus, • Unlimited holiday allowance, • Flexible working, • Private medical insurance as well as well-being benefits, • Pension and Life Assurance, • Diverse and supportive environment with committees for wellness, charity and volunteering, DE&I, • Team and company socials Apply now to find out more about this Software Engineer / Full Stack Developer (C# .Net React) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Senior Go Developer Location: London Bridge Hybrid: 1x every fortnight We are working with a small, technical team based in London Bridge to build innovative solutions, working with cutting-edge, open-source platform frameworks. As a Senior Go Developer, you will work on complex distributed systems, shaping modern development, contributing to product design and working closely with customers to solve challenges that impact global engineering teams. The Role: • Design and develop production-grade systems using Go, • Engage directly with customers and users to refine and evolve platforms, • Collaborate across a small, experienced engineering group, • Contribute new ideas and continuously learn new tech You • Have strong professional Go experience, • Have knowledge of Kubernetes and cloud-native applications, • Solid knowledge in microservices and event-driven architecture, • A passion for automation and improving engineering efficiency, • Experience in working in Agile environments London Bridge, Hybrid (1 day in office every 2 weeks) Salary (£90-120k DOE) Culture: Forward thinking, engineering-led, open-source focused. Apply now for more information.

Front Office Python Developer | | £950/Day Inside IR35 | 6 months rolling | Hybrid 2 days London We’re seeking a Senior Front Office Python Developer to join a specialist global Energy & Commodities trading firm. The business is a long-standing market leader with activity across multiple commodity classes — this role sits within the metals trading area and will support both financial and physical trading teams. The role will focus on building and improving a modern metals trading analytics & visualisation platform. You’ll deliver production-grade Python systems, dashboards, automation and data pipelines that provide traders and risk teams with fast, reliable insights to support trading and risk decision-making. 📍 6 month rolling contract (strong likelihood of multi-year renewals) 💸 Rate: Up to £950/day, Inside IR35 🚂 Working pattern: Hybrid — 2 days per week in London office 💻 Python, Front Office Trading Systems, Metals Commodity Knowledge Key responsibilities • Design, develop and maintain production Python services and ETL pipelines for trading analytics., • Build and enhance dashboards and visualisations (Grafana or equivalent) for traders and risk teams., • Implement analytics, aggregation and automation to improve data quality, latency and reporting., • Work closely with traders, risk, and data engineers to translate business requirements into reliable software., • Contribute to deployment, CI/CD, containerisation and monitoring of services., • Help maintain documentation, tests and runbooks for production systems. Technical / professional skills (essential) • Strong production Python experience (3+ years at senior level)., • Proven experience with data engineering / ETL and time-series or market data., • Experience building dashboards/visualisations — Grafana highly preferable., • Solid SQL skills and working knowledge of databases (Postgres, TimescaleDB or similar)., • Familiarity with containerisation (Docker), CI/CD pipelines and observability/monitoring., • Comfortable working directly with trading or business stakeholders to deliver pragmatic solutions. Nice to have • Experience with derivatives or commodity trading workflows (metals experience a strong plus)., • Familiarity with REST APIs, message queues (Kafka/RabbitMQ) or real-time data feeds., • Exposure to cloud platforms (AWS/GCP) and infrastructure as code., • Background in statistical analysis or machine learning (applied to trading workflows desirable but not required). If you’re interested please reply with an updated CV or send directly to: Front Office Python Developer | | £950/Day Inside IR35 | 6 months rolling | Hybrid 2 days London

Have you got experience leading a team while remaining hands-on and technically involved? Senior Java Developer – FX Trading Salary: up to £120k + bonus Location: London office 3 days a week We are delighted to be continuing our longstanding partnership with an FX Market Disruptor FinTech that has been acquired by a leading capital market. They are looking for an experienced Java Developer who will fulfil a hands-on Senior/Lead role leading the next generation of Java Developers. They are looking for the following experience in Senior Java Developers: • Core Java development, • Multithreading, concurrency, low latency, • Working in the financial sector e.g. FX, trading, • Building microservices in the cloud (GCP, AWS) with Kubernetes, • Product-led development – architecting, building and delivering, • Technical leadership: architectural decisions, mentoring, code reviews, pairing This is a brilliant company to work for with numerous generous benefits: • Annual bonus, • 25 days holiday + bank holidays (which increases with service), • Matched pension scheme, • Life assurance, • Private healthcare, • Dental & eye care insurance, • Work from home 2 days a week, • Long service awards, • Referral fee upwards of £2000, • Personal training & development budget Are you looking for a step up in your career to take on additional responsibilities while remaining technically hands-on? Apply now for this excellent Senior Java Developer opportunity! Please note: Due to compliancy reasons, we will only be able to consider applications based in and eligible to work in the UK.

Senior Java Developer | Low Latency | London Our client is a specialist engineering consultancy known for solving some of the most demanding performance challenges across financial markets and technology. Their teams design, build, and optimise high-throughput, low-latency systems used by global institutions where reliability and speed are critical. They are now looking for exceptional Java Engineers with proven experience in building high-performance, low-latency systems. This role involves working on complex, business-critical projects where every microsecond matters. You’ll join a highly technical team known for solving tough engineering challenges and delivering efficient, elegant solutions across banking, trading, and financial technology environments. 📍Location: Primarily Remote, with travel to London City at least twice per week. 💷Package: Highly competitive base + benefits What You’ll Do • Design, build, and maintain high-performance Java applications used in demanding real-time systems., • Develop and enhance testing and benchmarking frameworks to validate system performance., • Identify and eliminate bottlenecks through systematic performance analysis., • Contribute ideas and innovations to improve architecture and speed., • Quantify and document measurable performance improvements. Requirements: • Degree-level education (or equivalent experience)., • A strong and proven track record developing low-latency, high-throughput systems on JVM., • Understanding of JVM internals (GC, threading, concurrency, locking)., • Commercial experience with high-performance Java systems., • Ability to communicate effectively with both technical and non-technical stakeholders., • Ability to work confidently across existing and greenfield projects., • Maintaining a high level of professionalism and precision., • Exposure to trading, banking or fintech environments is highly beneficial, particularly with front office trading., • Experience in a software consultancy or client-facing engineering role.

I'm currently looking for a Senior React Developer to join a London Based Trading company as they continue to scale and grow their development team. This company has been growing substantially over the last 2 years and are expanding again with exciting projects lined up in their trading technology teams. The company are based in central London and have a fantastic high performing working culture. They are looking for a Front End expert who can help them build out best in class internal trading applications. This is a fantastic opportunity to join a company that has big plans for =expansion over the next 2 years within the renewables and Algo trading space. They have set career progression plans, with routes to Tech Lead, Principal Developer and Engineering Manger and offer one of the best total comp packages in London. This is an in office position in central London, with some flexibility to 4 days a week after 3-6 months. Requirements • Strong React skills, • Strong experience working in Typescript, • Some Experience working in trading, banking, or financial services is desirable Package • base salaries up to £140K with TC over £200K, • 12% pension, • Private Medical Cover, • Comprehensive benefits pacakge

Cloud Platform Engineer – GCP / Terraform / Kubernetes / Python Location: London (For the first 3 months – 5 days per week in office), (thereafter – 3 days per week in office) Salary: £70,000 – £80,000 + bonus + benefits Company Overview Join a leading global trading firm that combines cutting-edge technology with a collaborative culture to achieve excellence. The Cloud Engineering team builds and maintains the core infrastructure supporting data, AI, and trading operations, providing the scalable, secure, and highly automated foundation that drives the firm’s success. You’ll work on a sophisticated, modern GCP-based tech stack and contribute directly to platforms supporting Trading, Data Engineering, Back Office, and other core technology teams - in a high-impact, high-performance environment. What’s In It For You • Global Trading Environment: Collaborate with world-class engineers and data specialists at the forefront of financial technology., • Modern Tech Stack: Work hands-on with GCP, Terraform, Kubernetes, GitLab, and BigQuery., • Continuous Growth: Gain exposure to advanced automation, AI-assisted engineering, and scalable cloud architecture., • Culture & Collaboration: Flat structure, open communication, and genuine engagement with senior leadership., • Benefits Package: Includes private health and dental insurance, generous pension scheme, wellbeing support, and flexible leave., • Hybrid Flexibility: Work in a collaborative London office three days per week, with flexibility to work from home the rest of the time. Role Responsibilities • Cloud Foundation: Build and scale the firm’s GCP environment - networking, IAM, security, and infrastructure - using an “everything as code” approach with Terraform and Terramate., • Automation & Reliability: Implement and maintain self-healing, highly available architecture with a focus on Kubernetes (GKE)., • Platform Support: Manage and optimise key platforms such as Airflow, BigQuery, and PostgreSQL clusters., • Developer Experience: Enhance internal developer productivity through Coder remote dev environments, GitLab CI/CD pipelines, and observability tooling., • Collaboration: Partner closely with Data Engineering, Trading Technology, and Platform teams to deliver robust, scalable cloud solutions. Required Skills and Experience • Experience: 2-4 years in a Cloud, Platform, or DevOps Engineering role., • Programming: Strong Python skills, with a focus on automation and maintainable code., • Cloud Expertise: Hands-on experience with a major cloud provider (ideally GCP)., • Infrastructure as Code: Strong working knowledge of Terraform (Terramate a plus)., • Containerisation: Proficiency with Kubernetes (preferably GKE)., • CI/CD: Familiarity with GitLab CI and continuous integration concepts., • Mindset: Pragmatic, customer-focused, and driven by efficiency and automation., • Education: Minimum 2:1 degree in a STEM subject or equivalent experience. Desirable: • Exposure to observability tooling (Grafana, Prometheus, Mimir)., • Interest in data platforms or AI-enabled development workflows. Learn More For more information, contact George Harris at Harrington Starr for a confidential conversation, or click “Apply” to start your application.